- Libretto: La BohèmeAuthor: Giuseppe Giacosa, Luigi Illica, Grist, William [Translator], Percy PinkertonLanguage: English
- Libussa: Trauerspiel in fünf AufzügenAuthor: Franz GrillparzerLanguage: German
- Life Is a DreamAuthor: Pedro Calderón de la Barca, Edward FitzGeraldLanguage: English
- Life Is a DreamAuthor: Pedro Calderón de la Barca, Denis Florence MacCarthyLanguage: English
- Little EyolfAuthor: Henrik Ibsen, William ArcherLanguage: English
- Little Masterpieces of Autobiography: ActorsAuthor: George IlesLanguage: English
- LocrineAuthor: William ShakespeareLanguage: English
- Locrine: A TragedyAuthor: Algernon Charles SwinburneLanguage: English
- Los Amantes de Teruel: Drama en cuatro actos en verso y prosaAuthor: Juan Eugenio Hartzenbusch, G. W. (George Wallace) UmphreyLanguage: Spanish
- Los favores del mundoAuthor: Ruiz de Alarcón, JuanLanguage: Spanish
- Love and Intrigue: A TragedyAuthor: Friedrich SchillerLanguage: English
- Love for Love: A ComedyAuthor: William CongreveLanguage: English
- Love's ComedyAuthor: Henrik Ibsen, C. H. (Charles Harold) HerfordLanguage: English
- Love's Labour's LostAuthor: William ShakespeareLanguage: English
- Love's Labour's LostAuthor: William ShakespeareLanguage: English
- Love's Labour's LostAuthor: William ShakespeareLanguage: English
- Love's Labour's LostAuthor: William ShakespeareLanguage: English
- Lovers' VowsAuthor: August von Kotzebue, Mrs. InchbaldLanguage: English
- LoyaltiesAuthor: John GalsworthyLanguage: English
- Lucifer: TreurspelAuthor: Joost van den VondelLanguage: Dutch
- Lucky PehrAuthor: August Strindberg, Velma Swanston HowardLanguage: English
- LysistrataAuthor: Aristophanes, Norman Lindsay, Jack LindsayLanguage: English
- Lyyli: Viisinäytöksinen näytelmäAuthor: Elvira WillmanLanguage: Finnish
- Léonore, ou l'amour conjugal: fait historique en deux actes et en prose mêlée de chantesAuthor: Jean Nicolas BouillyLanguage: French
- Maaß für Maaß: Wie einer mißt, so wird ihm wieder gemessenAuthor: William Shakespeare, Christoph Martin WielandLanguage: German
- MacbethAuthor: William ShakespeareLanguage: English
- MacbethAuthor: William ShakespeareLanguage: English
- MacbethAuthor: William ShakespeareLanguage: English
- MacbethAuthor: William Shakespeare, Dorothea TieckLanguage: German
- MacbethAuthor: William Shakespeare, Christoph Martin WielandLanguage: German
- MacbethAuthor: William Shakespeare, François GuizotLanguage: French
- MacbethAuthor: William Shakespeare, Paavo Emil CajanderLanguage: Finnish
- Madame AubinAuthor: Paul Verlaine, Morlock, Frank J. [Translator]Language: English
- Magic: A Fantastic ComedyAuthor: G. K. (Gilbert Keith) ChestertonLanguage: English
- Major BarbaraAuthor: Bernard ShawLanguage: English
- Makers of Madness: A Play in One Act and Three ScenesAuthor: Hermann HagedornLanguage: English
- Man and Superman: A Comedy and a PhilosophyAuthor: Bernard ShawLanguage: English
- Man kann nie wissen: Komödie in vier AktenAuthor: Bernard Shaw, Siegfried TrebitschLanguage: German
- Manfredo: Drama en tres actosAuthor: Byron, George Gordon Byron, BaronLanguage: Spanish
- MariuchaAuthor: Benito Pérez Galdós, S. Griswold (Sylvanus Griswold) MorleyLanguage: English
- Mary AndersonAuthor: Farrar, J. MauriceLanguage: English
- Mary Stuart: A TragedyAuthor: Friedrich Schiller, Joseph Charles MellishLanguage: English
- Massacre at ParisAuthor: Christopher MarloweLanguage: English
- Master Olof: A Drama in Five ActsAuthor: August Strindberg, Edwin BjörkmanLanguage: English
- Measure for MeasureAuthor: William ShakespeareLanguage: English
- Measure for MeasureAuthor: William ShakespeareLanguage: English
- Measure for MeasureAuthor: William ShakespeareLanguage: English
- Measure for MeasureAuthor: William ShakespeareLanguage: English
- Measure for Measure: The Works of William Shakespeare [Cambridge Edition] [9 vols.]Author: William Shakespeare, William George Clark, Glover, John, librarian of Trinity College, Cambridge [Editor]Language: English
- MedeaAuthor: Franz GrillparzerLanguage: German
- MenexenusAuthor: Plato, Benjamin JowettLanguage: English
- Mercadet: A Comedy in Three ActsAuthor: Honoré de BalzacLanguage: English
- Meripoikia: Kolminäytöksinen huvinäytelmäAuthor: Teuvo PakkalaLanguage: Finnish
- Mestarin nuuskarasia: Yksinäytöksinen huvinäytelmäAuthor: Robert KiljanderLanguage: Finnish
- Mesure pour mesureAuthor: William Shakespeare, François GuizotLanguage: French
- Milton's ComusAuthor: John Milton, William BellLanguage: English
- Mimmi Paavaliina: 4-näytöksinen huvinäytelmäAuthor: Maiju LassilaLanguage: Finnish
- Minna Von BarnhelmAuthor: Gotthold Ephraim Lessing, Ernest BellLanguage: English
- Minna von BarnhelmAuthor: Gotthold Ephraim LessingLanguage: German
- Minna von Barnhelm: Viisinäytöksinen huvinäytelmäAuthor: Gotthold Ephraim Lessing, Jalmari LahdensuoLanguage: Finnish